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(parent: 95ac2ad) | patch
sparc: add pmd_[dirty|mkclean] for THP
authorMinchan Kim <minchan@kernel.org>
Tue, 7 Apr 2015 23:44:40 +0000 (09:44 +1000)
committerStephen Rothwell <sfr@canb.auug.org.au>
Tue, 7 Apr 2015 23:44:40 +0000 (09:44 +1000)
commitd5cc6632564b13884effced5f6f8130f3c79f194
treead643f4bbaafebdf12bfb248ada66f3ecf795f4etree | snapshot
parent95ac2ad6badcf6fd5af29bbee40bb1227ef5340dcommit | diff
sparc: add pmd_[dirty|mkclean] for THP

MADV_FREE needs pmd_dirty and pmd_mkclean for detecting recent overwrite
of the contents since MADV_FREE syscall is called for THP page.

This patch adds pmd_dirty and pmd_mkclean for THP page MADV_FREE
support.

Signed-off-by: Minchan Kim <minchan@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
arch/sparc/include/asm/pgtable_64.h diff | blob | history
Linux kernel for KaRo TX COM modules